Home / 141,519.32-195,296.65-77,855.75

Finding the Fourth Proportional to 141,519.32, 195,296.65 and 77,855.75

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Solution

The fourth proportional to 141,519.32, 195,296.65 and 77,855.75 is: 107,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,519.32 : 195,296.65 = 77,855.75 : x
  2. Step 2: Convert to fraction form
    141,519.32/195,296.65 = 77,855.75/x
  3. Step 3: Cross multiply
    141,519.32x = 195,296.65 × 77,855.75
  4. Step 4: Simplify right side
    141,519.32x = 15,204,966,181.75
  5. Step 5: Solve for x
    x = 15,204,966,181.75/141,519.32
  6. Step 6: Final answer
    x = 107,440.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.